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Finding the Fourth Proportional to 148,477.51, 204,899.01 and 80,494.46

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Solution

The fourth proportional to 148,477.51, 204,899.01 and 80,494.46 is: 111,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,477.51 : 204,899.01 = 80,494.46 : x
  2. Step 2: Convert to fraction form
    148,477.51/204,899.01 = 80,494.46/x
  3. Step 3: Cross multiply
    148,477.51x = 204,899.01 × 80,494.46
  4. Step 4: Simplify right side
    148,477.51x = 16,493,235,164.48
  5. Step 5: Solve for x
    x = 16,493,235,164.48/148,477.51
  6. Step 6: Final answer
    x = 111,082.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.